Custom adapter for navigation drawer

Signed-off-by: Umair Khan <[email protected]>

Author: omerjerk

App/src/main/java/in/ac/dtu/subtlenews/NavigationDrawerFragment.java

@@ -1,6 +1,8 @@
 package in.ac.dtu.subtlenews;
 
-import android.support.v7.app.ActionBarActivity;;
+import android.content.Context;
+import android.graphics.Color;
+import android.support.v7.app.ActionBarActivity;
 import android.app.Activity;
 import android.support.v7.app.ActionBar;
 import android.support.v4.app.Fragment;
@@ -18,9 +20,12 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
-import android.widget.ArrayAdapter;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
 import android.widget.ListView;
-import android.widget.Toast;
+import android.widget.TextView;
+
+import java.lang.reflect.Array;
 
 /**
  * Fragment used for managing interactions for and presentation of a navigation drawer.
@@ -97,11 +102,7 @@ public void onItemClick(AdapterView<?> parent, View view, int position, long id)
                 selectItem(position);
             }
         });
-        mDrawerListView.setAdapter(new ArrayAdapter<String>(
-                getActionBar().getThemedContext(),
-                android.R.layout.simple_list_item_1,
-                android.R.id.text1,
-                Utils.categoryMap));
+        mDrawerListView.setAdapter(new NavigationDrawerAdapter(Utils.categoryMap));
         mDrawerListView.setItemChecked(mCurrentSelectedPosition, true);
         return mDrawerListView;
     }
@@ -270,4 +271,54 @@ public static interface NavigationDrawerCallbacks {
          */
         void onNavigationDrawerItemSelected(int position);
     }
+
+    private class NavigationDrawerAdapter extends BaseAdapter {
+
+        String[] mCategoryMap;
+
+        public NavigationDrawerAdapter( String[] mCategoryMap ){
+
+            this.mCategoryMap = mCategoryMap;
+        }
+
+        @Override
+        public int getCount() {
+            // TODO Auto-generated method stub
+            return Array.getLength(mCategoryMap);
+        }
+
+        @Override
+        public String getItem(int pos) {
+            // TODO Auto-generated method stub
+            return mCategoryMap[pos];
+        }
+
+        @Override
+        public long getItemId(int pos) {
+            // TODO Auto-generated method stub
+            return pos;
+        }
+
+        @Override
+        public View getView(int pos, View convertView, ViewGroup parent) {
+
+            View rowView;
+
+            if(convertView == null){
+                LayoutInflater inflater = (LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+                rowView = inflater.inflate(R.layout.row_navigation_drawer, null);
+            } else {
+                rowView = convertView;
+            }
+
+            ImageView navigationIcon = (ImageView) rowView.findViewById(R.id.icon_navigation);
+            TextView navigationTitle = (TextView) rowView.findViewById(R.id.title_navigation);
+
+            navigationTitle.setText(mCategoryMap[pos]);
+            navigationTitle.setTextColor(Color.WHITE);
+            navigationIcon.setBackgroundResource(R.drawable.ic_launcher);
+
+            return rowView;
+        }
+    }
 }

App/src/main/res/layout/row_navigation_drawer.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="60dp"
+    android:paddingTop="5dp"
+    android:paddingBottom="5dp" >
+
+    <ImageView
+        android:id="@+id/icon_navigation"
+        android:layout_width="35dp"
+        android:layout_height="40dp"
+        android:paddingTop="5dp"
+        android:paddingBottom="5dp"
+        android:layout_alignParentLeft="true"
+        android:layout_marginLeft="12dp"
+        android:layout_marginRight="12dp"
+        android:layout_centerVertical="true" />
+
+    <TextView
+        android:id="@+id/title_navigation"
+        android:layout_width="wrap_content"
+        android:layout_height="match_parent"
+        android:layout_toRightOf="@id/icon_navigation"
+        android:layout_centerVertical="true"
+        android:paddingRight="40dp"/>
+
+</RelativeLayout>